webvr js meetup initial commit

node_modules/three/src/core/DirectGeometry.js

@@ -0,0 +1,263 @@
+/**
+ * @author mrdoob / http://mrdoob.com/
+ */
+
+import { Vector2 } from '../math/Vector2';
+
+function DirectGeometry() {
+
+	this.indices = [];
+	this.vertices = [];
+	this.normals = [];
+	this.colors = [];
+	this.uvs = [];
+	this.uvs2 = [];
+
+	this.groups = [];
+
+	this.morphTargets = {};
+
+	this.skinWeights = [];
+	this.skinIndices = [];
+
+	// this.lineDistances = [];
+
+	this.boundingBox = null;
+	this.boundingSphere = null;
+
+	// update flags
+
+	this.verticesNeedUpdate = false;
+	this.normalsNeedUpdate = false;
+	this.colorsNeedUpdate = false;
+	this.uvsNeedUpdate = false;
+	this.groupsNeedUpdate = false;
+
+}
+
+Object.assign( DirectGeometry.prototype, {
+
+	computeGroups: function ( geometry ) {
+
+		var group;
+		var groups = [];
+		var materialIndex = undefined;
+
+		var faces = geometry.faces;
+
+		for ( var i = 0; i < faces.length; i ++ ) {
+
+			var face = faces[ i ];
+
+			// materials
+
+			if ( face.materialIndex !== materialIndex ) {
+
+				materialIndex = face.materialIndex;
+
+				if ( group !== undefined ) {
+
+					group.count = ( i * 3 ) - group.start;
+					groups.push( group );
+
+				}
+
+				group = {
+					start: i * 3,
+					materialIndex: materialIndex
+				};
+
+			}
+
+		}
+
+		if ( group !== undefined ) {
+
+			group.count = ( i * 3 ) - group.start;
+			groups.push( group );
+
+		}
+
+		this.groups = groups;
+
+	},
+
+	fromGeometry: function ( geometry ) {
+
+		var faces = geometry.faces;
+		var vertices = geometry.vertices;
+		var faceVertexUvs = geometry.faceVertexUvs;
+
+		var hasFaceVertexUv = faceVertexUvs[ 0 ] && faceVertexUvs[ 0 ].length > 0;
+		var hasFaceVertexUv2 = faceVertexUvs[ 1 ] && faceVertexUvs[ 1 ].length > 0;
+
+		// morphs
+
+		var morphTargets = geometry.morphTargets;
+		var morphTargetsLength = morphTargets.length;
+
+		var morphTargetsPosition;
+
+		if ( morphTargetsLength > 0 ) {
+
+			morphTargetsPosition = [];
+
+			for ( var i = 0; i < morphTargetsLength; i ++ ) {
+
+				morphTargetsPosition[ i ] = [];
+
+			}
+
+			this.morphTargets.position = morphTargetsPosition;
+
+		}
+
+		var morphNormals = geometry.morphNormals;
+		var morphNormalsLength = morphNormals.length;
+
+		var morphTargetsNormal;
+
+		if ( morphNormalsLength > 0 ) {
+
+			morphTargetsNormal = [];
+
+			for ( var i = 0; i < morphNormalsLength; i ++ ) {
+
+				morphTargetsNormal[ i ] = [];
+
+			}
+
+			this.morphTargets.normal = morphTargetsNormal;
+
+		}
+
+		// skins
+
+		var skinIndices = geometry.skinIndices;
+		var skinWeights = geometry.skinWeights;
+
+		var hasSkinIndices = skinIndices.length === vertices.length;
+		var hasSkinWeights = skinWeights.length === vertices.length;
+
+		//
+
+		for ( var i = 0; i < faces.length; i ++ ) {
+
+			var face = faces[ i ];
+
+			this.vertices.push( vertices[ face.a ], vertices[ face.b ], vertices[ face.c ] );
+
+			var vertexNormals = face.vertexNormals;
+
+			if ( vertexNormals.length === 3 ) {
+
+				this.normals.push( vertexNormals[ 0 ], vertexNormals[ 1 ], vertexNormals[ 2 ] );
+
+			} else {
+
+				var normal = face.normal;
+
+				this.normals.push( normal, normal, normal );
+
+			}
+
+			var vertexColors = face.vertexColors;
+
+			if ( vertexColors.length === 3 ) {
+
+				this.colors.push( vertexColors[ 0 ], vertexColors[ 1 ], vertexColors[ 2 ] );
+
+			} else {
+
+				var color = face.color;
+
+				this.colors.push( color, color, color );
+
+			}
+
+			if ( hasFaceVertexUv === true ) {
+
+				var vertexUvs = faceVertexUvs[ 0 ][ i ];
+
+				if ( vertexUvs !== undefined ) {
+
+					this.uvs.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );
+
+				} else {
+
+					console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv ', i );
+
+					this.uvs.push( new Vector2(), new Vector2(), new Vector2() );
+
+				}
+
+			}
+
+			if ( hasFaceVertexUv2 === true ) {
+
+				var vertexUvs = faceVertexUvs[ 1 ][ i ];
+
+				if ( vertexUvs !== undefined ) {
+
+					this.uvs2.push( vertexUvs[ 0 ], vertexUvs[ 1 ], vertexUvs[ 2 ] );
+
+				} else {
+
+					console.warn( 'THREE.DirectGeometry.fromGeometry(): Undefined vertexUv2 ', i );
+
+					this.uvs2.push( new Vector2(), new Vector2(), new Vector2() );
+
+				}
+
+			}
+
+			// morphs
+
+			for ( var j = 0; j < morphTargetsLength; j ++ ) {
+
+				var morphTarget = morphTargets[ j ].vertices;
+
+				morphTargetsPosition[ j ].push( morphTarget[ face.a ], morphTarget[ face.b ], morphTarget[ face.c ] );
+
+			}
+
+			for ( var j = 0; j < morphNormalsLength; j ++ ) {
+
+				var morphNormal = morphNormals[ j ].vertexNormals[ i ];
+
+				morphTargetsNormal[ j ].push( morphNormal.a, morphNormal.b, morphNormal.c );
+
+			}
+
+			// skins
+
+			if ( hasSkinIndices ) {
+
+				this.skinIndices.push( skinIndices[ face.a ], skinIndices[ face.b ], skinIndices[ face.c ] );
+
+			}
+
+			if ( hasSkinWeights ) {
+
+				this.skinWeights.push( skinWeights[ face.a ], skinWeights[ face.b ], skinWeights[ face.c ] );
+
+			}
+
+		}
+
+		this.computeGroups( geometry );
+
+		this.verticesNeedUpdate = geometry.verticesNeedUpdate;
+		this.normalsNeedUpdate = geometry.normalsNeedUpdate;
+		this.colorsNeedUpdate = geometry.colorsNeedUpdate;
+		this.uvsNeedUpdate = geometry.uvsNeedUpdate;
+		this.groupsNeedUpdate = geometry.groupsNeedUpdate;
+
+		return this;
+
+	}
+
+} );
+
+
+export { DirectGeometry };